SOLUTION: 3. Are the following true or false- show your work to explain your answer. a. 4!/8!=1/2 b. 6!/2!=360 c. 4!+3!=30

Algebra ->  Probability-and-statistics -> SOLUTION: 3. Are the following true or false- show your work to explain your answer. a. 4!/8!=1/2 b. 6!/2!=360 c. 4!+3!=30       Log On


   

Question 447306: 3. Are the following true or false- show your work to explain your answer.
a. 4!/8!=1/2
b. 6!/2!=360
c. 4!+3!=30

Found 2 solutions by rwm, stanbon:
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
a-
4!/81 doesn't equal 1/2
4!/8!= 1/8*7*6*5
b-
true
6*5*4*3*2*1/2*1=6*5*4*3=18*20=360
c-true
4*3*2+3*2
24+6=30

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3. Are the following true or false- show your work to explain your answer.
a. 4!/8!=1/2
False:
4!/8! = 1/(5*6*7*8)= 1/1680
-------------------------
b. 6!/2!=360
True
6!/2! = 6*5*4*3 = 360
---------------------------
c. 4!+3!=30
True
1*2*3*4 + 1*2*3
= 24 + 6 = 30
====================
Cheers,
Stan H.